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An experiment to find out how changing the surface area of the marble chips affects the rate of reaction
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Chemistry Coursework An experiment to find out how changing the concentration of acid affects the rate of reaction An experiment to find out how changing the concentration of acid affects the rate of reaction Planning Aim: I am to find out how changing the concentration of the hydrochloric acid (HCL) affects the rate of reaction. The hydrochloric acid will be reacting with marble chips (small, medium, large). During my experiment I will be changing one variable. This will be the concentration of the acid. I will use the concentration of HCL from 0.5 molar/dm3 to 3.0 molar/dm3. I will use 3grams of marble chips for every size of chip. By doing this I will find out if the rate of reaction is quicker or slower using a different concentration of acid. The equation I will be using is: CaCO3 (s) + 2HCl (aq) › CaCl2 (aq) + H20 (l) + CO2 (g) Calcium Hydrochloric Calcium Water Carbon Carbonate Acid Chloride...
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